forward index back LITA Regional Institute: Proxy Web Servers and Authentication
Atlanta, GA    May 30, 2003

Proxy Web Servers and Authentication > How Proxies Work

Cache control

The "Cache-control" general header was introduced in HTTP/1.1 to consolidate and further refine the caching policies and requests in client caches and proxy caches. The "Cache-control" header defines different directives depending on whether it is used in a request or response context.